$ /usr/bin/gpk-install-package grhino [ ... installs package ... ] (gpk-install-package:3440): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
Fixed upstream, commit d6a24d75f7f266cf520a80a88fc8e426f7eedf2c
*** Bug 441555 has been marked as a duplicate of this bug. ***
I've built this for rawhide and F9.